1 /* 2 * Copyright (c) 2020, The OpenThread Authors. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. Neither the name of the copyright holder nor the 13 * names of its contributors may be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /** 30 * @file 31 * This file includes definition for DUA routing functionalities. 32 */ 33 34 #ifndef BACKBONE_ROUTER_DUA_ROUTING_MANAGER 35 #define BACKBONE_ROUTER_DUA_ROUTING_MANAGER 36 37 #if OTBR_ENABLE_DUA_ROUTING 38 39 #include <set> 40 #include <utility> 41 #include <openthread/backbone_router_ftd.h> 42 43 #include "common/code_utils.hpp" 44 #include "ncp/ncp_openthread.hpp" 45 #include "utils/system_utils.hpp" 46 47 namespace otbr { 48 namespace BackboneRouter { 49 50 /** 51 * @addtogroup border-router-backbone 52 * 53 * @brief 54 * This module includes definition for DUA routing functionalities. 55 * 56 * @{ 57 */ 58 59 /** 60 * This class implements the DUA routing manager. 61 * 62 */ 63 class DuaRoutingManager : private NonCopyable 64 { 65 public: 66 /** 67 * This constructor initializes a DUA routing manager instance. 68 * 69 */ DuaRoutingManager(std::string aInterfaceName,std::string aBackboneInterfaceName)70 explicit DuaRoutingManager(std::string aInterfaceName, std::string aBackboneInterfaceName) 71 : mEnabled(false) 72 , mInterfaceName(std::move(aInterfaceName)) 73 , mBackboneInterfaceName(std::move(aBackboneInterfaceName)) 74 { 75 } 76 77 /** 78 * This method enables the DUA routing manager. 79 * 80 */ 81 void Enable(const Ip6Prefix &aDomainPrefix); 82 83 /** 84 * This method disables the DUA routing manager. 85 * 86 */ 87 void Disable(void); 88 89 private: 90 void AddDefaultRouteToThread(void); 91 void DelDefaultRouteToThread(void); 92 void AddPolicyRouteToBackbone(void); 93 void DelPolicyRouteToBackbone(void); 94 95 Ip6Prefix mDomainPrefix; 96 bool mEnabled : 1; 97 std::string mInterfaceName; 98 std::string mBackboneInterfaceName; 99 }; 100 101 /** 102 * @} 103 */ 104 105 } // namespace BackboneRouter 106 } // namespace otbr 107 108 #endif // OTBR_ENABLE_DUA_ROUTING 109 110 #endif // BACKBONE_ROUTER_DUA_ROUTING_MANAGER 111